What is the sixth lesson of traditional culture in Qingdao version of the sixth grade book

The Five Heroes of Wolf Tooth Mountain. According to the query "the national ordinary primary and secondary school teaching books catalog" know, sixth grade book Qingdao version of traditional culture sixth lesson is "five strong men on the Wolf Tooth Mountain". The article "The Five Heroes of Wolf Tooth Mountain" recounts the touching story of five soldiers from a certain department of the Eighth Route Army, who bravely fought against the Japanese invaders in order to cover the transfer of the masses and the main force of the army, and finally sacrificed themselves by jumping off a cliff, which demonstrates the revolutionary spirit and heroism of the Five Heroes who would rather die than give in to the invaders.